506947641 has 4 divisors (see below), whose sum is σ = 675930192. Its totient is φ = 337965092.

The previous prime is 506947631. The next prime is 506947673. The reversal of 506947641 is 146749605.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 506947641 - 2⁷ = 506947513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 506947593 and 506947602.

It is not an unprimeable number, because it can be changed into a prime (506947601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84491271 + ... + 84491276.

It is an arithmetic number, because the mean of its divisors is an integer number (168982548).

Almost surely, 2^506947641 is an apocalyptic number.

It is an amenable number.

506947641 is a deficient number, since it is larger than the sum of its proper divisors (168982551).

506947641 is a wasteful number, since it uses less digits than its factorization.

506947641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168982550.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 506947641 is about 22515.4977959627. The cubic root of 506947641 is about 797.3598596794.

The spelling of 506947641 in words is "five hundred six million, nine hundred forty-seven thousand, six hundred forty-one".